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Thread: Need some help on timing my 400ex

  1. 04-08-2006, 12:07 PM #11
    mgraff400ex
    mgraff400ex is offline Junior Member
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    just out of mere curiostiy when you had everything apart did you take the jug off. if you did did you break a ring on the piston or something along them liines. i guess what i'm getting at is does the engine have compression?
    2004 400ex
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  2. 04-08-2006, 12:30 PM #12
    $$motoxstar40$$
    $$motoxstar40$$ is offline Junior Member
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    Seems like it has compression everything sounds good the pistons not hitting the valves air comes outa the exhaust when it cranks like it always did its like its not getting fuel i dont know but thanks for all your help....
    99' 440ex,
    dg nerfs.
    dmc alien exhaust.
    race cut fenders.
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  3. 04-08-2006, 09:24 PM #13
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    JOEX
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    Stock cam? If so did you put the decompression spring and plunger back in?
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  4. 04-08-2006, 10:11 PM #14
    $$motoxstar40$$
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    good point where exactly does it go?
    99' 440ex,
    dg nerfs.
    dmc alien exhaust.
    race cut fenders.
    blingstar front bumper
    razr tiresdougles rims
    pro taper bars
    k&n powerpack
    gripper seat
    FUTURE MODS>>
    ELKA suspension
    ROLL DESIGN A_ARMS
    ROLL DESIGN STEERING STEM & STABILIZER
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  5. 04-09-2006, 10:36 AM #15
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    aviator4
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    It goes right here. This photos shows the removal of the spring and plunger
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  6. 04-12-2006, 08:18 PM #16
    $$motoxstar40$$
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    I def need the plunger and spring is the plunger by any chance called a dowel pin? cuz thats what this is showing on this sitehttp://www.yamahaoftroy.com/fiche_section_detail.asp....thanks for the help guys....
    99' 440ex,
    dg nerfs.
    dmc alien exhaust.
    race cut fenders.
    blingstar front bumper
    razr tiresdougles rims
    pro taper bars
    k&n powerpack
    gripper seat
    FUTURE MODS>>
    ELKA suspension
    ROLL DESIGN A_ARMS
    ROLL DESIGN STEERING STEM & STABILIZER
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  7. 04-12-2006, 09:01 PM #17
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    GPracer2500
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    Originally posted by $$motoxstar40$$
    I def need the plunger and spring is the plunger by any chance called a dowel pin? cuz thats what this is showing on this sitehttp://www.yamahaoftroy.com/fiche_section_detail.asp....thanks for the help guys....
    Nope.

    PLUNGER, CAM SETTING (prt# 14125-KV2-940)
    SPRING, PLUNGER (prt# 14126-KV2-940)
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  8. 04-12-2006, 09:14 PM #18
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    JOEX
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    Originally posted by $$motoxstar40$$
    I def need the plunger and spring is the plunger by any chance called a dowel pin? cuz thats what this is showing on this sitehttp://www.yamahaoftroy.com/fiche_section_detail.asp....thanks for the help guys....
    No, the dowel pins are those sleeve like pieces that are in various locations on the motor. There are a couple on each side cover and on the head cover maybe more...

    The parts in the pic I posted are called the plunger and spring, #4 and #5 respectively on the schematic. Servicehonda.com has a better view
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  9. 04-12-2006, 09:15 PM #19
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    Originally posted by GPracer2500
    Nope.

    PLUNGER, CAM SETTING (prt# 14125-KV2-940)
    SPRING, PLUNGER (prt# 14126-KV2-940)
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  10. 04-13-2006, 03:52 PM #20
    $$motoxstar40$$
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    i really appreciate all the help you guys have givin me im not stupid im actually pretty good with motors exc. its just these little pain in the *** peices, now i looked and theres nothing called a plunger, if u could just give me the numbers so i can just order off the site and how many i need, would not having these little peices cause my bike not to start, thanks again guys problem almost solved....
    99' 440ex,
    dg nerfs.
    dmc alien exhaust.
    race cut fenders.
    blingstar front bumper
    razr tiresdougles rims
    pro taper bars
    k&n powerpack
    gripper seat
    FUTURE MODS>>
    ELKA suspension
    ROLL DESIGN A_ARMS
    ROLL DESIGN STEERING STEM & STABILIZER
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